From: Yang Yingliang Date: Thu, 20 Oct 2022 11:01:57 +0000 (+0800) Subject: ASoC: SOF: Intel: hda-codec: fix possible memory leak in hda_codec_device_init() X-Git-Tag: v6.1-rc5~4^2~17^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e9441675edc1bb8dbfadacf68aafacca60d65a25;p=platform%2Fkernel%2Flinux-starfive.git ASoC: SOF: Intel: hda-codec: fix possible memory leak in hda_codec_device_init() If snd_hdac_device_register() fails, 'codec' and name allocated in dev_set_name() called in snd_hdac_device_init() are leaked. Fix this by calling put_device(), so they can be freed in snd_hda_codec_dev_release() and kobject_cleanup(). Fixes: 829c67319806 ("ASoC: SOF: Intel: Introduce HDA codec init and exit routines") Fixes: dfe66a18780d ("ALSA: hdac_ext: add extended HDA bus") Signed-off-by: Yang Yingliang Reviewed-by: Kai Vehmanen Link: https://lore.kernel.org/r/20221020110157.1450191-1-yangyingliang@huawei.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index 1e9afc4..f2ec2a6 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -109,11 +109,6 @@ EXPORT_SYMBOL_NS(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC); #define is_generic_config(x) 0 #endif -static void hda_codec_device_exit(struct device *dev) -{ - snd_hdac_device_exit(dev_to_hdac_dev(dev)); -} - static struct hda_codec *hda_codec_device_init(struct hdac_bus *bus, int addr, int type) { struct hda_codec *codec; @@ -126,12 +121,11 @@ static struct hda_codec *hda_codec_device_init(struct hdac_bus *bus, int addr, i } codec->core.type = type; - codec->core.dev.release = hda_codec_device_exit; ret = snd_hdac_device_register(&codec->core); if (ret) { dev_err(bus->dev, "failed to register hdac device\n"); - snd_hdac_device_exit(&codec->core); + put_device(&codec->core.dev); return ERR_PTR(ret); }